Cyclic peptide and pharmaceutical product containing same

    公开(公告)号:US09745349B2

    公开(公告)日:2017-08-29

    申请号:US14648834

    申请日:2013-10-18

    CPC classification number: C07K7/64 A61K38/00 C07K7/06

    Abstract: A cyclic peptide or a salt thereof of formula (1): X-Leu-Val-Y1-Y2 (1), where X is Lys, Arg, His, Ala, Gly, Ser, or Thr; and Y1 and Y2, which are identical to or different from each other, each represent a group represented by formula (2): where Ar1 represents an aromatic hydrocarbon group or an aromatic heterocyclic group; R1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, a haloalkyl group, an aromatic hydrocarbon group, or an aromatic heterocyclic group; and n is an integer from 0 to 2. In the cyclic peptide has an α-amino group at the amino terminus of the amino acid sequence which is linked, via a peptide bond, to the carboxyl group at the carboxyl terminus of the amino acid sequence.

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